Bottlenose dolphins mothers are strongly protective of their offspring, preferring to avoid boats, so it's rare to get a good image of the youngsters. This picture shows just how powerful that bond is, with the two calves sticking close to their mothers. By handling the boat carefully and allowing them to overtake us, they plucked up the courage to come and take a quick look at us, but without a long lens the image would have no impact at all. A happy combination of great new technology and old-fashioned fieldcraft.
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